ST-WM3200 module is the latest embedded Wi-Fi module presented by Sato. This module adopts the lastest Simplelink Wifi CC3200 Chip design by Texas Instruments, built-in with high performance ARM Cortex-M4 MCU, and contaninga variety of peripherals, such as parallel camera inferface, 12S, SD/MMC, UART, SPI, 12C, ADC and GPIO. This module supports 802.11 b/g/n wireless standard, and can work in Station, AP and WI-FI direct connection modes. In addition, the hardware of module also offer 3 opitions of antenna making, including the ceramic antenna, IPEX base and the antenna welding.

ST-WM3200 wifi module has two operation modes: AT commands mode and serial port data transparent transmission mode. The module can be configured through serial port AT command under AT command mode (for specific operation command please refers to "AT command" section). Through a simple AT command configuration, data can be transparently transmitted to the specified network devices through serial ports.